61 lines
1.3 KiB
TypeScript
61 lines
1.3 KiB
TypeScript
import { test, expect } from "bun:test"
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import { toBytecode } from "#bytecode"
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import { VM } from "#vm"
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test("MAKE_FUNCTION - creates function with captured scope", async () => {
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const bytecode = toBytecode(`
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MAKE_FUNCTION () #999
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`)
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const result = await new VM(bytecode).run()
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expect(result.type).toBe('function')
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if (result.type === 'function') {
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expect(result.body).toBe(999)
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expect(result.params).toEqual([])
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}
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})
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test("CALL and RETURN - basic function call", async () => {
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const bytecode = toBytecode(`
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MAKE_FUNCTION () #3
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CALL #0
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HALT
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PUSH 42
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RETURN
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`)
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const result = await new VM(bytecode).run()
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expect(result).toEqual({ type: 'number', value: 42 })
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})
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test("CALL and RETURN - function with one parameter", async () => {
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const bytecode = toBytecode(`
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MAKE_FUNCTION (x) #4
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PUSH 100
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CALL #1
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HALT
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LOAD x
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RETURN
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`)
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const result = await new VM(bytecode).run()
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expect(result).toEqual({ type: 'number', value: 100 })
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})
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test("CALL and RETURN - function with two parameters", async () => {
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const bytecode = toBytecode(`
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MAKE_FUNCTION (a b) #5
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PUSH 10
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PUSH 20
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CALL #2
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HALT
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LOAD a
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LOAD b
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ADD
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RETURN
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`)
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const result = await new VM(bytecode).run()
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expect(result).toEqual({ type: 'number', value: 30 })
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})
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